Omega-3 fatty acids on the forced-swimming test

Shih Yi Huang, Hui Ting Yang, Chih Chiang Chiu, Carmine M. Pariante, Kuan Pin Su

Research output: Contribution to journalArticle

69 Citations (Scopus)

Abstract

Objectives: Based on the findings of epidemiological data and recent clinical trials, omega-3 fatty acids seem to have a preventive and therapeutic effect on depression. Method: We examined the effect of omega-3 fatty acids on the forced-swimming test (FST) in two groups of Sprague-Dawley rats after a six-week treatment with two different diets. Behavioral responses were observed and recorded during the 5-min test. The fatty acid composition from the whole brain tissue and the RBC membrane of the rats were analyzed. Results: Comparing to control diet, omega-3 fatty acid diet significantly decreased the immobility time (218 ± 16 vs. 183 ± 19 s, p = 0.001) and increased behaviors of swimming (32 ± 7 vs. 45 ± 9 s, p = 0.012) and climbing (50 ± 10 vs. 73 ± 14 s, p = 0.011) during the FST. The group in omega-3 fatty acid diet had higher levels of docosahexaenoic acid (DHA, 50% increase) and alpha-linolenic acid (ALA, 63% increase) in the brain, and of eicosapentaenoic acid (EPA, 27% increase) in the peripheral RBC membrane. The level of brain DHA is negatively correlated to the immobility time (r = - 0.654, p = 0.006) and is positively correlated to the swimming time (r = 0.69, p = 0.003). Conclusion: The result shows that omega-3 fatty acids have a beneficial effect on preventing the development of depression-like behaviors in rats with the FST.

Original languageEnglish
Pages (from-to)58-63
Number of pages6
JournalJournal of Psychiatric Research
Volume42
Issue number1
DOIs
Publication statusPublished - Jan 2008

Fingerprint

Omega-3 Fatty Acids
Diet
Brain
Depression
alpha-Linolenic Acid
Eicosapentaenoic Acid
Membranes
Docosahexaenoic Acids
Therapeutic Uses
Sprague Dawley Rats
Fatty Acids
Clinical Trials

Keywords

  • Depression
  • Docosahexaenoic acid
  • Eicosapentaenoic acid
  • Forced-swimming test
  • Omega-3 polyunsaturated fatty acids

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry
  • Psychology(all)

Cite this

Omega-3 fatty acids on the forced-swimming test. / Huang, Shih Yi; Yang, Hui Ting; Chiu, Chih Chiang; Pariante, Carmine M.; Su, Kuan Pin.

In: Journal of Psychiatric Research, Vol. 42, No. 1, 01.2008, p. 58-63.

Research output: Contribution to journalArticle

Huang, Shih Yi ; Yang, Hui Ting ; Chiu, Chih Chiang ; Pariante, Carmine M. ; Su, Kuan Pin. / Omega-3 fatty acids on the forced-swimming test. In: Journal of Psychiatric Research. 2008 ; Vol. 42, No. 1. pp. 58-63.
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